A 50bn Zimbabwean dollar note was issued on TuesdayZimbabwe is introducing a Z$100 trillion note, currently worth about US$30 (£20), state media reports.
Other notes in trillion-dollar denominations of 10, 20 and 50 are also being released to help Zimbabweans cope with hyperinflation.
However, the dollarisation of the economy means that few products are available in the local currency.